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- Retina | Definition, Function, & Facts | Britannicaretina, layer of nervous tissue that covers the inside of the back two-thirds of the eyeball, in which stimulation by light occurs, initiating the sensation of vision. The retina is actually an extension of the brain, formed embryonically from neural tissue and connected to the brain proper by the optic nerve.
- Retina: Anatomy, Function, and Treatment - Verywell HealthFunction. Associated Conditions. Tests. The retina is a thin layer of tissue that lines the very back of the inside of the eyeball. The retina contains millions of cells that perceive light, color, and fine details in the things you see. A number of diseases can affect the retina, including cancer.
- Retinal diseases - Symptoms and causes - Mayo ClinicCommon retinal diseases and conditions include: Retinal tear. A retinal tear occurs when the clear, gel-like substance in the center of your eye, called vitreous, shrinks and tugs on the thin layer of tissue lining the back of your eye, called the retina. This can cause a tear in the retinal tissue.
- Retina: Anatomy, Functions, and Conditions - Vision CenterThe retina senses light and generates electrical impulses so the brain can create an image. This article discusses the retina’s anatomy, functions, and associated disorders. It also covers the fundamental anatomy of the eye and how the retina works with other primary structures.
- Retinal diseases - Diagnosis and treatment - Mayo ClinicDiagnosis. To make a diagnosis, an ophthalmologist performs a thorough eye exam and looks for irregularities anywhere in the eye. The following tests may be done to find the location and extent of the disease: Amsler grid test. An eye professional may use an Amsler grid to test the clarity of your central vision.
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